User can switch Time Type to indicate certain activities are belong to certain period within the Session. The approach to switch Time Type is as following:
Click on the Switch Time Type icon to trigger the Time Type dropdown list.
You can use default hotkey Ctrl + Alt + A or customize the hotkey in Settings. Refer to Set Hotkeys section for detailed information.
Select the Time Type from dropdown list as needed. The timer would be counted toward that selected Time Type.